CN201868567U - Terminal Multiple Input Multiple Output (MIMO) antenna - Google Patents
Terminal Multiple Input Multiple Output (MIMO) antenna Download PDFInfo
- Publication number
- CN201868567U CN201868567U CN2010205522039U CN201020552203U CN201868567U CN 201868567 U CN201868567 U CN 201868567U CN 2010205522039 U CN2010205522039 U CN 2010205522039U CN 201020552203 U CN201020552203 U CN 201020552203U CN 201868567 U CN201868567 U CN 201868567U
- Authority
- CN
- China
- Prior art keywords
- antenna
- mimo antenna
- medium substrate
- radiating elements
- triangle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a terminal Multiple Input Multiple Output (MIMO) antenna which comprises a medium base plate. The front side of the medium base plate is manufactured with three equilateral triangle-shaped radiating units which are distributed in a triangle shape to form a terminal MIMO antenna structure of a three-antenna layout diversity type. The three triangle-shaped radiating units respectively have a corresponding top point, and the bottom edge of each radiating unit, corresponding to the top point, is parallel with one edge of the medium base plate. The three triangle-shaped radiating units are respectively provided with a soldering point which is connected with conductors in a coaxial cable. As the three triangle-shaped radiating units are adopted, the radiation pattern is broad, and the space diversity of the MIMO antenna can be favorably improved; as the triangle-shaped distribution and the arrangement are adopted, the polarization diversity effect of the antenna is improved; the bottom of antenna is a copper-coated grounding surface, and the grounding surface is separated into three independent parts, so that the interport isolation is improved, and the receiving property of the system is greatly improved. The terminal MIMO antenna has the advantages of low profile structure, easy processing, easy integration, low cost and the like.
Description
Technical field
The utility model relates to wireless communication technology, particularly a kind of radio communication microstrip antenna, specifically a kind of terminal MIMO antenna.
Background technology
In the past few years, it is more and more important that radio communication service becomes, and simultaneously higher network capacity and more high performance demand also constantly increased.Several selection modes are as the modulation system even the code reuse system of more high bandwidth, optimization, and the potentiality that in fact improve spectrum efficiency are limited.And the mimo system that adopts many antennas multiple-input, multiple-output of space diversity reception to communicate is the antagonism wireless fading channel, improve a kind of effective method of transport channel capacities, studies show that, consider the secondary transmitting antenna of Nt, the radio MIMO transmission system of the secondary reception antenna of Nr, know accurately that at receiving terminal under the situation of channel transfer characteristic, Nt=Nr obtains the channel capacity with the proportional increase of Nt constantly.Mimo system can improve the availability of frequency spectrum greatly for traditional a single aerial system, and the data service of higher rate can be transmitted in the system that makes under the limited wireless frequency band.At present, various countries have begun or have planned to carry out the research of 3G after the next-generation mobile communications technology or 4G, strive for occupying a tiny space in the future mobile communications field.Yet the mimo system that uses a plurality of radio frequencies has increased antenna volume, power and hardware, thereby has increased cost.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, provide have that volume is little, power big, low-cost, easy of integration and a kind of terminal MIMO antenna that receptivity is good.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of terminal MIMO antenna, comprise medium substrate, wherein: the front of described medium substrate is manufactured with three equilateral triangle radiating elements, and three radiating element distributions triangular in shape, the terminal MIMO antenna structure of formation triantennary layout diversity form; Described three triangle radiating elements respectively have a summit corresponding, and each radiating element base relative with its summit all parallel with a limit of medium substrate, are equipped with the pad that connects inner conductor on described three radiating elements.
For optimizing technique scheme, the concrete measure of taking also comprises:
The above-mentioned medium substrate back side is provided with three separate ground planes, and three ground planes are corresponding with three radiating elements respectively; The area of any one ground plane is all greater than the area of arbitrary radiating element in described three ground planes, and three ground planes are connected with the outer conductor of three coaxial cables respectively.
Above-mentioned radiating element, ground plane all directly utilize the Copper Foil of copper-clad plate to be made, and coaxial cable wears with pad from the medium substrate back side and is connected.
The pad of three above-mentioned radiating elements respectively with three independently the inner wire of coaxial cable be connected, the outer conductor of the coaxial cable that described three ground planes all are connected with the radiating element relative with it separately is connected.
The other end of each above-mentioned coaxial cable all is equipped with the sub-miniature A connector with good standing-wave ratio.
Above-mentioned medium substrate is a rectangle, and its long limit is 120mm, and broadside is 90mm.
The length of side of three above-mentioned radiating elements is 36mm, and its base is 15mm from the distance of medium substrate corresponding edge, and two radiating elements of placing side by side below nearest vertex distance is 15mm from the medium substrate base, described pad is from vertex distance 17mm.
Compared with prior art, the front of medium substrate of the present utility model is manufactured with three equilateral triangle radiating elements, and three radiating element distributions triangular in shape, constitutes the terminal MIMO antenna structure of triantennary layout diversity form; Three triangle radiating elements respectively have a summit corresponding, and each radiating element base relative with its summit all parallel with a limit of medium substrate, are equipped with the pad that connects inner conductor on three radiating elements.
The utility model adopts the triangle radiating element to have the antenna pattern of broad, is beneficial to the space diversity of improving the MIMO antenna, adopts the triangle polarization diversity effect of then having improved antenna arranged evenly.The antenna bottom is to apply the copper ground plane, and ground plane is divided into independently three parts, has improved interport isolation, can greatly improve the receptivity of system.It has characteristics such as low cross-section structure, easily processing, easy of integration and low cost.
Description of drawings
Fig. 1 is the Facad structure schematic diagram of the utility model embodiment;
Fig. 2 is the reverse side structural representation of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference numeral wherein is: medium substrate 1, radiating element 2, pad 21, ground plane 3, shaft cable 4, joint 5.
As shown in Figure 1, a kind of terminal MIMO antenna of the present utility model comprises medium substrate 1, and the front of its medium substrate 1 is manufactured with three equilateral triangle radiating elements 2, and three radiating element 2 distributions triangular in shape constitute triantennary layout diversity form terminal MIMO antenna structure; Described three triangle radiating elements 2 respectively have a summit corresponding, and each radiating element 2 base relative with its summit all parallel with a limit of medium substrate 1, are equipped with the pad 21 that connects coaxial cable 4 inner wires on described three radiating elements 2.The utility model adopts three leg-of-mutton radiating elements 2 and three to be distribution triangular in shape, constitute triantennary layout diversity form terminal MIMO antenna structure, thereby antenna pattern with broad, the polarization diversity effect of antenna be can further improve, the message transmission capacity and the availability of frequency spectrum improved.It is little to have volume, and price is low, the strong advantage of anti-wireless fading channel ability.
For further optimizing properties of product, obtain better technique effect, among the embodiment, as shown in Figure 2, medium substrate 1 back side is provided with three separate ground planes 3, and three ground planes 3 are corresponding with three radiating elements 2 respectively; The area of any one ground plane is all greater than the area of arbitrary radiating element 2 in three ground planes 3, and three ground planes 3 are connected with the outer conductor of three coaxial cables 4 respectively.
Among the embodiment, radiating element 2, ground plane 3 all directly utilize the Copper Foil of copper-clad plate to be made, and coaxial cable 4 wears with pad 21 from medium substrate 1 back side and is connected.Three ground plane 3 separate settings, and utilize the Copper Foil of copper-clad plate to make, improved interport isolation, reduced correlation, can greatly improve the receptivity of system.
The pad 21 of three radiating elements 2 respectively with three independently the inner wire of coaxial cable 4 be connected, the outer conductor of the coaxial cable 4 that described three ground planes 3 all are connected with the radiating element 2 relative with it separately is connected.
Among the embodiment, the other end of each coaxial cable 4 all is equipped with the sub-miniature A connector 5 with good standing-wave ratio.
Among the embodiment, medium substrate 1 is designed to rectangle, and its long limit is 120mm, and broadside is 90mm.
Among the embodiment, the length of side of three radiating elements 2 is 36mm, its base is 15mm from the distance of medium substrate 1 corresponding edge, and two radiating elements 2 of placing side by side below nearest vertex distance is 15mm from the medium substrate base, described pad 21 is from vertex distance 17mm.
A kind of terminal MIMO antenna of the utility model, by three triangle radiating elements, adopt diversity technique, widen and improved the antenna pattern of radiating element, be beneficial to the space diversity of improving the MIMO antenna, adopt the triangle polarization diversity effect of then having improved antenna arranged evenly.Realize the miniaturization and the dual polarization of antenna, promoted capability of communication system and reliability.Ground plane is divided into independently three parts, adopts and applies the copper ground plane, has improved interport isolation, has reduced correlation, can greatly improve the receptivity of system.The utlity model has characteristics such as low cross-section structure, easily processing, easy of integration and low-cost and anti-wireless fading channel ability are strong.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (7)
1. terminal MIMO antenna, comprise medium substrate (1), it is characterized in that: the front of described medium substrate (1) is manufactured with three equilateral triangle radiating elements (2), and three radiating elements (2) distribution triangular in shape, constitutes the terminal MIMO antenna structure of triantennary layout diversity form; Described three triangle radiating elements (2) respectively have a summit corresponding, and the base that each radiating element (2) is relative with its summit all parallels with a limit of medium substrate (1), is equipped with the pad (21) that connects coaxial cable (4) inner wire on described three radiating elements (2).
2. a kind of terminal MIMO antenna according to claim 1 is characterized in that: described medium substrate (1) back side is provided with three separate ground planes (3), and three ground planes (3) are corresponding with three radiating elements (2) respectively; The area of any one ground plane is all greater than the area of arbitrary radiating element (2) in described three ground planes (3), and three ground planes (3) are connected with the outer conductor of three coaxial cables (4) respectively.
3. a kind of terminal MIMO antenna according to claim 2, it is characterized in that: described radiating element (2), ground plane (3) all directly utilize the Copper Foil of copper-clad plate to be made, and coaxial cable (4) wears with pad (21) from medium substrate (1) back side and is connected.
4. a kind of terminal MIMO antenna according to claim 3, it is characterized in that: the pad (21) of described three radiating elements (2) respectively with three independently the inner wire of coaxial cable (4) be connected, the outer conductor of the coaxial cable (4) that described three ground planes (3) all are connected with the radiating element (2) relative with it separately is connected.
5. a kind of terminal MIMO antenna according to claim 4 is characterized in that: the other end of described each coaxial cable (4) all is equipped with the sub-miniature A connector (5) with good standing-wave ratio.
6. a kind of terminal MIMO antenna according to claim 5 is characterized in that: described medium substrate (1) is a rectangle, and its long limit is 120mm, and broadside is 90mm.
7. a kind of terminal MIMO antenna according to claim 6, it is characterized in that: the length of side of described three radiating elements (2) is 36mm, its base is 15mm from the distance of medium substrate (1) corresponding edge, and nearest vertex distance is 15mm to two radiating elements (2) of placing side by side below from the medium substrate base, and described pad (21) is from vertex distance 17mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205522039U CN201868567U (en) | 2010-09-30 | 2010-09-30 | Terminal Multiple Input Multiple Output (MIMO) antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205522039U CN201868567U (en) | 2010-09-30 | 2010-09-30 | Terminal Multiple Input Multiple Output (MIMO) antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868567U true CN201868567U (en) | 2011-06-15 |
Family
ID=44139712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205522039U Expired - Fee Related CN201868567U (en) | 2010-09-30 | 2010-09-30 | Terminal Multiple Input Multiple Output (MIMO) antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868567U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496778A (en) * | 2011-12-14 | 2012-06-13 | 电子科技大学 | Triangularly-arranged multiple-input-multiple-output (MIMO) antenna |
| CN102610907A (en) * | 2012-02-27 | 2012-07-25 | 浙江纺织服装职业技术学院 | Reconfigurable antenna |
| CN103346382A (en) * | 2013-06-26 | 2013-10-09 | 江苏思铭科技有限公司 | Method for increasing same-frequency isolation among antennae of double-mode/ multi-mode mobile phone |
| CN103427149A (en) * | 2012-05-25 | 2013-12-04 | 启碁科技股份有限公司 | Antenna and electronic device |
| EP3726652A4 (en) * | 2017-12-15 | 2021-07-28 | Xi'an Zhongxing New Software Co. Ltd. | Vertically polarized mimo antenna and terminal having same |
-
2010
- 2010-09-30 CN CN2010205522039U patent/CN201868567U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496778A (en) * | 2011-12-14 | 2012-06-13 | 电子科技大学 | Triangularly-arranged multiple-input-multiple-output (MIMO) antenna |
| CN102610907A (en) * | 2012-02-27 | 2012-07-25 | 浙江纺织服装职业技术学院 | Reconfigurable antenna |
| CN102610907B (en) * | 2012-02-27 | 2014-05-07 | 浙江纺织服装职业技术学院 | Reconfigurable antenna |
| CN103427149A (en) * | 2012-05-25 | 2013-12-04 | 启碁科技股份有限公司 | Antenna and electronic device |
| CN103427149B (en) * | 2012-05-25 | 2016-08-24 | 启碁科技股份有限公司 | Antenna and electronic installation |
| CN103346382A (en) * | 2013-06-26 | 2013-10-09 | 江苏思铭科技有限公司 | Method for increasing same-frequency isolation among antennae of double-mode/ multi-mode mobile phone |
| EP3726652A4 (en) * | 2017-12-15 | 2021-07-28 | Xi'an Zhongxing New Software Co. Ltd. | Vertically polarized mimo antenna and terminal having same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102110900B (en) | Array antenna of mobile terminal and implementation method of array antenna | |
| CN103858277B (en) | A kind of three poliarizing antennas | |
| CN101316008B (en) | MIMO mobile terminal multi-antenna with high isolation and low correlated characteristic | |
| CN203013940U (en) | Antenna distributed in dual-polarization chamber | |
| CN102104193A (en) | Multiple input multiple output antenna system | |
| CN101030672B (en) | Four-antenna mobile terminal system | |
| CN102104185A (en) | Multiple input multiple output (MIMO) array antenna | |
| CA2807722C (en) | Compact radiation structure for diversity antennas | |
| CN101697380A (en) | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network | |
| CN201868567U (en) | Terminal Multiple Input Multiple Output (MIMO) antenna | |
| CN100356629C (en) | Mobile-terminal multi-antenna system | |
| CN109037933B (en) | Dual-frequency three-polarization MIMO antenna and wireless communication equipment | |
| CN103811869A (en) | Multiple-input multiple-output antenna system and mobile terminal | |
| CN105703084B (en) | A kind of room divided antenna | |
| CN204333258U (en) | A kind of compact dual-frequency mimo antenna based on Meta Materials | |
| CN204760533U (en) | Antenna device | |
| CN202817178U (en) | Dual-frequency monopole antenna and its mobile terminal | |
| CN104966903A (en) | Suspended microstrip antenna array for 60GHz millimeter wave communication and antenna thereof | |
| CN201508914U (en) | Dual-frequency microstrip array antenna | |
| CN103187634B (en) | A kind of mimo antenna being made up of multiple beam antennas | |
| CN102496778A (en) | Triangularly-arranged multiple-input-multiple-output (MIMO) antenna | |
| CN106876921A (en) | A kind of mimo antenna of compact high degree of isolation | |
| CN106876922A (en) | A kind of progressive mimo antenna of ladder | |
| CN202423551U (en) | Triangularly-arranged multiple input multiple output (MIMO) antenna | |
| CN203218458U (en) | An MIMO antenna composed of a plurality of directional antennas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20130930 |